Home / 109,435.54-151,021.04-59,134.54

Finding the Fourth Proportional to 109,435.54, 151,021.04 and 59,134.54

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Solution

The fourth proportional to 109,435.54, 151,021.04 and 59,134.54 is: 81,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,435.54 : 151,021.04 = 59,134.54 : x
  2. Step 2: Convert to fraction form
    109,435.54/151,021.04 = 59,134.54/x
  3. Step 3: Cross multiply
    109,435.54x = 151,021.04 × 59,134.54
  4. Step 4: Simplify right side
    109,435.54x = 8,930,559,730.72
  5. Step 5: Solve for x
    x = 8,930,559,730.72/109,435.54
  6. Step 6: Final answer
    x = 81,605.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.